Datasheet LT3507 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Triple Monolithic Step-Down Regulator with LDO |
| 页数 / 页 | 30 / 2 — absolute MaxiMuM ratinGs. pin conFiGuration. (Note 1). orDer inForMation. … |
| 文件格式/大小 | PDF / 395 Kb |
| 文件语言 | 英语 |
absolute MaxiMuM ratinGs. pin conFiGuration. (Note 1). orDer inForMation. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
该数据表的模型线
文件文字版本
LT3507
absolute MaxiMuM ratinGs pin conFiGuration (Note 1)
VIN Pins .. –0.3V to 36V TOP VIEW BOOST Pins ..55V BOOST Above SW ...25V SW1 SW1 V IN3 V IN3 SW3 SW3 BOOST3 PGOOD Pins ..36V 38 37 36 35 34 33 32 BIAS Pin ..16V BOOST1 1 31 VIN2 VIN1 2 30 V TRK/SS, V IN2 C, FB, RT/SYNC Pins ...6V VIN1 3 29 SW2 RUN, OVLO, UVLO Pins ... VIN1 VINSW 4 28 SW2 DRIVE Pin ...5V OVLO 5 27 BOOST2 Operating Junction Temperature Range (Notes 2, 5) UVLO 6 26 TRK/SS4 39 LT3507E, LT3507I .. –40°C to 125°C VC1 7 25 FB4 LT3507H .. –40°C to 150°C TRK/SS1 8 24 DRIVE Storage Temperature Range .. –65°C to 150°C FB1 9 23 VC2 PGOOD1 10 22 FB2 PGOOD2 11 21 TRK/SS2 PGOOD3 12 20 FB3 13 14 15 16 17 18 19 V C3 /SYNC RUN1 RUN2 RUN3 BIAS R T TRK/SS3 UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
orDer inForMation LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3507EUHF#PBF LT3507EUHF#TRPBF 3507 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LT3507IUHF#PBF LT3507IUHF#TRPBF 3507 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LT3507HUHF#PBF LT3507HUHF#TRPBF 3507 38-Lead (5mm × 7mm) Plastic QFN –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
electrical characteristics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN1, VIN2, VIN3 = 12V, VBOOST1, VBOOST2, VBOOST3 = 17V, unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage Internal UVLO on VIN1 l 3.8 4 V Input Quiescent Current Not Switching, VBIAS = 3.3V 2 3.5 mA Bias Quiescent Current Not Switching, VBIAS = 3.3V 5 7.5 mA Shutdown Current VRUN1,2,3 = 0V 1 µA Reference Voltage Line Regulation 5V < VIN1 < 36V 0.01 %/V 3507fb 2 For more information www.linear.com/LT3507
absolute MaxiMuM ratinGs pin conFiGuration (Note 1)
VIN Pins .. –0.3V to 36V TOP VIEW BOOST Pins ..55V BOOST Above SW ...25V SW1 SW1 V IN3 V IN3 SW3 SW3 BOOST3 PGOOD Pins ..36V 38 37 36 35 34 33 32 BIAS Pin ..16V BOOST1 1 31 VIN2 VIN1 2 30 V TRK/SS, V IN2 C, FB, RT/SYNC Pins ...6V VIN1 3 29 SW2 RUN, OVLO, UVLO Pins ... VIN1 VINSW 4 28 SW2 DRIVE Pin ...5V OVLO 5 27 BOOST2 Operating Junction Temperature Range (Notes 2, 5) UVLO 6 26 TRK/SS4 39 LT3507E, LT3507I .. –40°C to 125°C VC1 7 25 FB4 LT3507H .. –40°C to 150°C TRK/SS1 8 24 DRIVE Storage Temperature Range .. –65°C to 150°C FB1 9 23 VC2 PGOOD1 10 22 FB2 PGOOD2 11 21 TRK/SS2 PGOOD3 12 20 FB3 13 14 15 16 17 18 19 V C3 /SYNC RUN1 RUN2 RUN3 BIAS R T TRK/SS3 UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
orDer inForMation LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3507EUHF#PBF LT3507EUHF#TRPBF 3507 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LT3507IUHF#PBF LT3507IUHF#TRPBF 3507 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LT3507HUHF#PBF LT3507HUHF#TRPBF 3507 38-Lead (5mm × 7mm) Plastic QFN –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
electrical characteristics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN1, VIN2, VIN3 = 12V, VBOOST1, VBOOST2, VBOOST3 = 17V, unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage Internal UVLO on VIN1 l 3.8 4 V Input Quiescent Current Not Switching, VBIAS = 3.3V 2 3.5 mA Bias Quiescent Current Not Switching, VBIAS = 3.3V 5 7.5 mA Shutdown Current VRUN1,2,3 = 0V 1 µA Reference Voltage Line Regulation 5V < VIN1 < 36V 0.01 %/V 3507fb 2 For more information www.linear.com/LT3507